Question 943186
Let A=angle
{{{(1/2)A+30 degrees=90 degrees}}} subtract 30 degrees from each side
{{{(1/2)A+30 degrees-30 degrees=90 degrees-30 degrees}}}
{{{(1/2)A=60 degrees}}} multiply each side by 2
A=120 degrees ANSWER Angle is 120 degrees